php 函数处理
<?php
//颜色值,透明度值
function colorAlpha($color,$alpha){
echo "#".dechex(((100-$alpha)/100)*255).trim($color,"#");
}
colorAlpha("#FFFFFF",40);
推荐在线运行工具
http://www.dooccn.com/php/
参考文章:
https://www.jianshu.com/p/161a042da50a
php 函数处理
<?php
//颜色值,透明度值
function colorAlpha($color,$alpha){
echo "#".dechex(((100-$alpha)/100)*255).trim($color,"#");
}
colorAlpha("#FFFFFF",40);
推荐在线运行工具
http://www.dooccn.com/php/
参考文章:
https://www.jianshu.com/p/161a042da50a